CN106940962A - A kind of multi-functional mechanical principle teaching aid - Google Patents
A kind of multi-functional mechanical principle teaching aid Download PDFInfo
- Publication number
- CN106940962A CN106940962A CN201710264213.9A CN201710264213A CN106940962A CN 106940962 A CN106940962 A CN 106940962A CN 201710264213 A CN201710264213 A CN 201710264213A CN 106940962 A CN106940962 A CN 106940962A
- Authority
- CN
- China
- Prior art keywords
- gear
- paintbrush
- teaching aid
- mechanical principle
- functional mechanical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 claims abstract description 47
- 230000008569 process Effects 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000000694 effects Effects 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 238000013519 translation Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 230000000747 cardiac effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
Abstract
The present invention provides a kind of multi-functional mechanical principle teaching aid, including the base being sequentially connected, drawing mechanism, transmission mechanism and scratch diskette, the drawing mechanism includes support base, paintbrush mounting table, paintbrush, sliding shoe and drawing board, the support base, base and scratch diskette are linked together by main shaft, the transmission mechanism is located between support base and scratch diskette, the transmission mechanism includes first gear, second gear, 3rd gear and tooth bar, the first gear is engaged with second gear, the second gear is engaged with the 3rd gear, the 3rd wheel and rack engagement, the first gear is interference fitted with main shaft, the tooth bar is arranged in sliding shoe, the top connection drawing board of the sliding shoe, the paintbrush mounting table is arranged on support base, paintbrush is placed in paintbrush mounting table, the nib of the paintbrush is contacted with scratch diskette.The present invention can demonstrate reversal process and ask the process of cam profile and the process of generating method gear, simple in construction, be easy to operation.
Description
Technical field
The present invention relates to a kind of demonstration for mechanical principle teaching and experimental provision, more particularly to a kind of multi-functional mechanical
Principle teaching aid.
Background technology
Almost not on asking the laboratory apparatus of cam profile, one with reversal process in mechanical principle course teaching process
The preferable demonstration instrument of effect is remarkably contributing to grasp of the student to this knowledge point.Current each colleges and universities test in mechanical principle course
Part is designed with the experiment of generating method gear, and experiment equipment is exactly shaping meter, and it can be clear from showing to student
The process of generating method gear, and can also will be apparent that demonstration processing gear when the Undercutting Phenomenon that produces and by displacement
Avoid Undercutting Phenomenon.But the function of this laboratory apparatus is relatively simple, the correlated knowledge point on gear is simply demonstrated, and
And generally all there is shortcoming in existing shaping meter, exactly during experiment all must experimenter in person by pen go picture that
A little rack cutters cut the track of gear blank, and so do not only very troublesome but also be easy to not paste tooth during picture
Bar cutter profile causes the tooth form of cutting to draw not accurate enough.
The content of the invention
In view of this, it can demonstrate reversal process the invention provides a kind of and seek the process of cam profile and can accurately drill
Show the multi-functional mechanical principle teaching aid of generating method gear process.
The present invention provides a kind of multi-functional mechanical principle teaching aid, including be sequentially connected base, drawing mechanism, transmission mechanism
And scratch diskette, the drawing mechanism include support base, paintbrush mounting table, paintbrush, sliding shoe and drawing board, the support base, bottom
Seat and scratch diskette are linked together by main shaft, and the transmission mechanism is located between support base and scratch diskette, the transmission mechanism
Including first gear, second gear, the 3rd gear and tooth bar, the first gear is engaged with second gear, the second gear
Engaged with the 3rd gear, the 3rd wheel and rack engagement, the first gear is interference fitted with main shaft, and the tooth bar is installed
In sliding shoe, the top connection drawing board of the sliding shoe, the paintbrush mounting table is arranged on support base, paintbrush is placed
In paintbrush mounting table, the nib of the paintbrush is contacted with scratch diskette.
Further, the support base is T fonts, and it includes horizontal ends and elongated end, and the horizontal ends and elongated end hang down
Directly, the horizontal ends are provided with clutch shaft bearing, second bearing and 3rd bearing, and the clutch shaft bearing and main shaft coordinate, and described the
Two bearing fits connect first gear axle, and second gear is installed on the first gear axle, and the 3rd bearing is connected
Second gear axle, installs the 3rd gear on the second gear axle, and the outside of the elongated end is provided with the first groove and second
Groove, first groove and the second groove are to place paintbrush mounting table, and the upper end of the elongated end is provided with a tongue, in institute
Sliding shoe is installed in the top for stating tongue, and the sliding shoe can be relatively moved along tongue.
Further, the base is coordinated by fourth bearing and main shaft, and a work(is provided between the base and support base
Can changeover panel, the power and energy disk and main shaft interference fit.
Further, the base is provided with the first aperture and second orifice, and the power and energy disk is small provided with the 3rd
Hole, the support base is provided with the 4th aperture, and the 4th aperture is located between second bearing and 3rd bearing, and described first is small
Hole and the 3rd aperture concentric arrangement, the second orifice and the 4th aperture concentric arrangement.
Further, when seeking cam profile using multi-functional mechanical principle teaching aid demonstration reversal process, by first
A pin is inserted in aperture and the 3rd aperture, power and energy disk is connected with base.
Further, when demonstrating generation method Gear Processing process using the multi-functional mechanical principle teaching aid, by the
A pin is inserted in two apertures and the 4th aperture, support base is fixedly connected with base.
Further, the paintbrush mounting table is L-type, and one end of the paintbrush mounting table is provided with the 3rd groove, described the
One end of three grooves is fixedly connected the first spring, and the other end of the 3rd groove is fixedly connected second spring, first bullet
The free end of spring is connected with the first firmware, and the free end of the second spring is connected with the second firmware, first firmware and
A cavity is formed after the contact of two firmwares, the paintbrush is placed in cavity, the size of the cavity and the size of paintbrush match.
Further, under the pulling force effect of first spring and second spring, the paintbrush can be close to drawing
On the edge of plate.
Further, the drawing board includes flank profil plate and curve ruler, is utilizing multi-functional mechanical principle teaching aid demonstration
When cam profile is sought in reversal process, in the top junction curve plate of the sliding shoe, drilled using the multi-functional mechanical principle teaching aid
When showing the generating method process of gear, flank profil plate is connected in the top of the sliding shoe.
Further, a directive wheel is installed in the lower end of the support base, and the directive wheel is to support drawing mechanism.
The beneficial effect that the technical scheme that the present invention is provided is brought is：The multi-functional mechanical principle teaching aid profit that the present invention is provided
With three gears and a tooth bar composition transmission mechanism, process and generating method tooth that cam profile is sought in reversal process can be demonstrated
Wheel process, it is simple in construction, it is easy to operation；The present invention realizes automatic drafting contour line using drawing mechanism, effectively increases drawing
Accuracy；The present invention can not only accurately demonstrate the Umklapp process to cardiac prominence wheel, and can demonstrate the reversion of eccentric cam
Process.
Brief description of the drawings
Fig. 1 is the schematic device of multi-functional mechanical principle teaching aid of the present invention.
Fig. 2 is a schematic diagram of the support base of multi-functional mechanical principle teaching aid of the present invention.
Fig. 3 is a schematic diagram of the transmission mechanism of multi-functional mechanical principle teaching aid of the present invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is further described.
Fig. 1 to Fig. 3 is refer to, The embodiment provides a kind of multi-functional mechanical principle teaching aid, it includes base
1st, scratch diskette 2, drawing mechanism 3 and transmission mechanism 4, base 1, drawing mechanism 3, transmission mechanism 4 and scratch diskette 2 are sequentially connected.
Drawing mechanism 3 includes support base 31, paintbrush mounting table 32, paintbrush 33, sliding shoe 34 and drawing board 35, support base
31st, base 1 and scratch diskette 2 are linked together by main shaft 5, and transmission mechanism 4 is located between support base 31 and scratch diskette 2, transmission
Mechanism 4 includes first gear 41, second gear 42, the 3rd gear 43 and tooth bar 44, and first gear 41 is engaged with second gear 42,
Second gear 42 is engaged with the 3rd gear 43, and the 3rd gear 43 is engaged with tooth bar 44, and first gear 41 is interference fitted with main shaft 5.
Support base 31 is T fonts, and it includes horizontal ends 311 and elongated end 312, and horizontal ends 311 and elongated end 312 are vertical,
The horizontal ends 311 of support base 31 are provided with clutch shaft bearing 313, second bearing 314 and 3rd bearing 315, clutch shaft bearing 313 and master
Axle 5 coordinates, the mating connection first gear axle 421 of second bearing 314, and second gear 42, the 3rd are installed on first gear axle 421
The mating connection second gear axle 422 of bearing 315, installs the 3rd gear 43, the outside of elongated end 312 on second gear axle 422
Provided with the first groove 3121 and the second groove 3122, the first groove 3121 and the second groove 3122 are to place paintbrush mounting table
32, the upper end of elongated end 312 is provided with a tongue 3123, installs sliding shoe 34 in the top of tongue 3123, sliding shoe 34 can edge
Tongue 3123 to relatively move, tooth bar 44, the top connection drawing board 35 of sliding shoe 34, support base 31 are installed in sliding shoe 34
Lower end be provided with a universal wheel 36, to be oriented to and support drawing mechanism 3.
Base 1 is coordinated by fourth bearing 12 with main shaft 5, and a power and energy disk 6 is provided between base 1 and support base 31,
Power and energy disk 6 is interference fitted with main shaft 5.
Paintbrush mounting table 32 is L-type, and paintbrush mounting table 32 is arranged on support base 31, paintbrush 33 is placed on into paintbrush and put
Put in platform 32, the nib of paintbrush 33 can be contacted with scratch diskette 2, one end of paintbrush mounting table 32 is provided with the 3rd groove 321, the 3rd
One end of groove 321 is fixedly connected the first spring 3211, and the other end of the 3rd groove 321 is fixedly connected second spring 3212, the
The free end of one spring 3211 connects the first firmware 3213, and the free end of second spring 3212 connects the second firmware 3214, first
A cavity is formed after the contact of the firmware 3214 of firmware 3213 and second, paintbrush 33 is placed in cavity, the size and picture of the cavity
The size of pen 33 matches.
Base 1 is provided with the first aperture 11 and second orifice 13, and power and energy disk 6 is provided with the 3rd aperture 61, support base
31 are provided with the 4th aperture 316, and the 4th aperture 316 is located between second bearing 314 and 3rd bearing 315, the He of the first aperture 11
The concentric arrangement of 3rd aperture 61, second orifice 13 and the concentric arrangement of the 4th aperture 316.
Drawing board 35 includes flank profil plate and curve ruler.
The operation principle of the multi-functional mechanical principle teaching aid is：When the process of cam profile is sought in demonstration reversal process, in cunning
The top connection drawing board 35 of motion block 34, now drawing board 35 is curve ruler, and paintbrush mounting table 32 is placed on into the first groove
In 3121, pin is arranged in the first aperture 11 and the 3rd aperture 61, then power and energy disk 6 is fixedly connected with base 1, drawn
Mechanism 3 is rotated around main shaft 5, and the translation of tooth bar 44 drives the 3rd gear 43 to be rotated around first gear 41, and the 3rd gear 43 is rotated
Drive second gear 42 to be rotated around first gear 41, drive drawing board 35 to move with the translation of hour rack 44, in the first spring
3211 and second spring 3212 pulling force effect under, paintbrush 33 is close on the edge of drawing board 35, in the drive of support base 31
Lower paintbrush 33 is rotated around scratch diskette 2, then paintbrush 33 can complete the drafting of cam profile curve；When drawing eccentric cam, only need
Paintbrush mounting table 32 is placed in the second groove 3122；When paintbrush 33 is in the surface of scratch diskette 2, Ke Yiyan
Show that the process to heart cam contour is sought in reversal process.
When demonstrating generating method gear process, it is not necessary to which paintbrush mounting table 32 is installed on support base 31, sliding
The top connection drawing board 35 of block 34, now drawing board 35 is flank profil plate, and pin is arranged on into the aperture of second orifice 13 and the 4th
In 316, support base 31 is fixedly connected with base 1, and tongue 3123 of the sliding shoe 34 along elongated end 312 is slided, and sliding shoe 34 is slided
The dynamic band translation of carry-over bar 44, the translation of tooth bar 44 drives the 3rd gear 43 to rotate, and the 3rd gear 43, which is rotated, drives 42 turns of second gear
Dynamic, second gear 42, which is rotated, drives first gear 41 to rotate, and first gear 41, which is rotated, can drive scratch diskette 2 to rotate, sliding shoe
The drawing board 35 of 34 tops is moved on scratch diskette 2, so as to demonstrate the generating method process of gear, is drawn by changing
Plate 35 can demonstrate the generating method process of different gears.
The multi-functional mechanical principle teaching aid that the present invention is provided utilizes three gears and a tooth bar composition transmission mechanism 4, energy
The process of cam profile and the process of generating method gear are asked in enough demonstration reversal processes, simple in construction, are easy to operation；Profit of the invention
Automatic drafting contour line is realized with drawing mechanism 3, the accuracy of drawing is effectively increased；The present invention can not only be demonstrated accurately pair
The Umklapp process of cardiac prominence wheel, and the Umklapp process of eccentric cam can be demonstrated.
Herein, the involved noun of locality such as forward and backward, upper and lower is to be located at parts in accompanying drawing in figure and zero
The position of part each other is intended merely to the clear of expression technology scheme and conveniently come what is defined.It should be appreciated that the noun of locality
Use should not limit the claimed scope of the application.
In the case where not conflicting, the feature in embodiment and embodiment herein-above set forth can be combined with each other.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modifications, equivalent substitutions and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of multi-functional mechanical principle teaching aid, it is characterised in that including the base being sequentially connected, drawing mechanism, transmission mechanism
And scratch diskette, the drawing mechanism include support base, paintbrush mounting table, paintbrush, sliding shoe and drawing board, the support base, bottom
Seat and scratch diskette are linked together by main shaft, and the transmission mechanism is located between support base and scratch diskette, the transmission mechanism
Including first gear, second gear, the 3rd gear and tooth bar, the first gear is engaged with second gear, the second gear
Engaged with the 3rd gear, the 3rd wheel and rack engagement, the first gear is interference fitted with main shaft, and the tooth bar is installed
In sliding shoe, the top connection drawing board of the sliding shoe, the paintbrush mounting table is arranged on support base, paintbrush is placed
In paintbrush mounting table, the nib of the paintbrush is contacted with scratch diskette.
2. multi-functional mechanical principle teaching aid as claimed in claim 1, it is characterised in that the support base is T fonts, and it includes
Horizontal ends and elongated end, the horizontal ends and elongated end are vertical, and the horizontal ends are provided with clutch shaft bearing, second bearing and the 3rd
Bearing, the clutch shaft bearing coordinates with main shaft, the second bearing mating connection first gear axle, on the first gear axle
Second gear is installed, the 3rd bearing mating connection second gear axle installs the 3rd gear, institute on the second gear axle
The outside for stating elongated end is provided with the first groove and the second groove, and first groove and the second groove are placed to place paintbrush
Platform, the upper end of the elongated end is provided with a tongue, installs sliding shoe in the top of the tongue, and the sliding shoe can be along convex
Groove is relatively moved.
3. multi-functional mechanical principle teaching aid as claimed in claim 2, it is characterised in that the base passes through fourth bearing and master
Axle coordinates, and a power and energy disk is provided between the base and support base, and the power and energy disk is interference fitted with main shaft.
4. multi-functional mechanical principle teaching aid as claimed in claim 3, it is characterised in that the base provided with the first aperture and
Second orifice, the power and energy disk is provided with the 3rd aperture, and the support base is provided with the 4th aperture, the 4th small hole position
Between second bearing and 3rd bearing, first aperture and the 3rd aperture concentric arrangement, the second orifice and the 4th small
Hole concentric arrangement.
5. multi-functional mechanical principle teaching aid as claimed in claim 4, it is characterised in that utilizing multi-functional mechanical principle religion
Tool demonstration reversal process is when seeking cam profile, by inserting a pin in the first aperture and the 3rd aperture, by power and energy disk with
Base is connected.
6. multi-functional mechanical principle teaching aid as claimed in claim 4, it is characterised in that utilizing multi-functional mechanical principle religion
During tool demonstration generation method Gear Processing process, by inserting a pin in second orifice and the 4th aperture, by support base and bottom
Seat is fixedly connected.
7. multi-functional mechanical principle teaching aid as claimed in claim 1, it is characterised in that the paintbrush mounting table is L-type, described
One end of paintbrush mounting table is provided with the 3rd groove, and one end of the 3rd groove is fixedly connected the first spring, the 3rd groove
The other end be fixedly connected second spring, the free end of first spring is connected with the first firmware, the second spring from
Second firmware is connected with by end, a cavity is formed after the first firmware and the second firmware contact, the paintbrush is placed on recessed
In chamber, the size of the cavity and the size of paintbrush match.
8. multi-functional mechanical principle teaching aid as claimed in claim 7, it is characterised in that in first spring and second spring
Pulling force effect under, the paintbrush can be close on the edge of drawing board.
9. multi-functional mechanical principle teaching aid as claimed in claim 1, it is characterised in that the drawing board includes flank profil plate and song
Line plate, when seeking cam profile using multi-functional mechanical principle teaching aid demonstration reversal process, is connected in the top of the sliding shoe
Curve ruler, when demonstrating the generating method process of gear using the multi-functional mechanical principle teaching aid, in the upper of the sliding shoe
Side's connection flank profil plate.
10. multi-functional mechanical principle teaching aid as claimed in claim 1, it is characterised in that install one in the lower end of the support base
Directive wheel, the directive wheel is to support drawing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710264213.9A CN106940962B (en) | 2017-04-21 | 2017-04-21 | Multifunctional mechanical principle teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710264213.9A CN106940962B (en) | 2017-04-21 | 2017-04-21 | Multifunctional mechanical principle teaching aid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106940962A true CN106940962A (en) | 2017-07-11 |
| CN106940962B CN106940962B (en) | 2023-01-03 |
Family
ID=59464676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710264213.9A Expired - Fee Related CN106940962B (en) | 2017-04-21 | 2017-04-21 | Multifunctional mechanical principle teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106940962B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108877398A (en) * | 2018-09-08 | 2018-11-23 | 东莞职业技术学院 | Multifunction teaching tool |
| CN112634736A (en) * | 2021-01-19 | 2021-04-09 | 南昌工程学院 | Practical demonstration teaching aid for mechanical principle classroom teaching |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808580A (en) * | 2012-08-10 | 2012-12-05 | 中国地质大学（武汉） | Laser directional drilling tool for coal-bed-methane level development hole and drilling method using same |
| CN203759971U (en) * | 2014-03-10 | 2014-08-06 | 武昌工学院 | Experimental device for theory of mechanism |
| CN103985307A (en) * | 2014-05-29 | 2014-08-13 | 肖中阳 | Cam movement demonstration instrument |
| CN104008695A (en) * | 2014-04-22 | 2014-08-27 | 江汉大学 | Mechanical-drive classroom teaching aid |
| CN104002594A (en) * | 2014-04-28 | 2014-08-27 | 江汉大学 | Profile curve plotting instrument of cam |
| KR101480512B1 (en) * | 2014-02-25 | 2015-01-14 | 김하경 | Paper workpiece for learning operation of mechanism using barrel action |
| CN204189371U (en) * | 2014-07-04 | 2015-03-04 | 龙岩学院 | A kind of cam mechanism displacement-profile generates demonstrator |
| CN205230480U (en) * | 2015-12-19 | 2016-05-11 | 长安大学 | A gear shaping gear hobbing is synthesized and is demonstrated instrument for teaching |
| CN106097870A (en) * | 2016-06-17 | 2016-11-09 | 上海理工大学 | A kind of gear enveloping device automatically |
| CN207008950U (en) * | 2017-04-21 | 2018-02-13 | 中国地质大学（武汉） | A kind of multi-functional mechanical principle teaching aid |
-
2017
- 2017-04-21 CN CN201710264213.9A patent/CN106940962B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808580A (en) * | 2012-08-10 | 2012-12-05 | 中国地质大学（武汉） | Laser directional drilling tool for coal-bed-methane level development hole and drilling method using same |
| KR101480512B1 (en) * | 2014-02-25 | 2015-01-14 | 김하경 | Paper workpiece for learning operation of mechanism using barrel action |
| CN203759971U (en) * | 2014-03-10 | 2014-08-06 | 武昌工学院 | Experimental device for theory of mechanism |
| CN104008695A (en) * | 2014-04-22 | 2014-08-27 | 江汉大学 | Mechanical-drive classroom teaching aid |
| CN104002594A (en) * | 2014-04-28 | 2014-08-27 | 江汉大学 | Profile curve plotting instrument of cam |
| CN103985307A (en) * | 2014-05-29 | 2014-08-13 | 肖中阳 | Cam movement demonstration instrument |
| CN204189371U (en) * | 2014-07-04 | 2015-03-04 | 龙岩学院 | A kind of cam mechanism displacement-profile generates demonstrator |
| CN205230480U (en) * | 2015-12-19 | 2016-05-11 | 长安大学 | A gear shaping gear hobbing is synthesized and is demonstrated instrument for teaching |
| CN106097870A (en) * | 2016-06-17 | 2016-11-09 | 上海理工大学 | A kind of gear enveloping device automatically |
| CN207008950U (en) * | 2017-04-21 | 2018-02-13 | 中国地质大学（武汉） | A kind of multi-functional mechanical principle teaching aid |
Non-Patent Citations (2)
| Title |
|---|
| 孙茂凌等: "多功能盘形凸轮机构演示仪设计", 《吉林化工学院学报》 * |
| 王皓,张策,杨玉虎: "行星分度凸轮机构凸轮廓线的设计", 《机械工程学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108877398A (en) * | 2018-09-08 | 2018-11-23 | 东莞职业技术学院 | Multifunction teaching tool |
| CN108877398B (en) * | 2018-09-08 | 2023-08-01 | 东莞职业技术学院 | Multifunctional teaching tool |
| CN112634736A (en) * | 2021-01-19 | 2021-04-09 | 南昌工程学院 | Practical demonstration teaching aid for mechanical principle classroom teaching |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106940962B (en) | 2023-01-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207008950U (en) | A kind of multi-functional mechanical principle teaching aid | |
| CN106940962A (en) | A kind of multi-functional mechanical principle teaching aid | |
| CN203659329U (en) | Multi-parameter multivariable cam measurement experiment table | |
| CN103956107B (en) | A kind of portable gear-hobbing machine of teaching demonstration | |
| CN203631009U (en) | Contour line generation demonstration device for disc cam of pointed translating follower | |
| CN203825897U (en) | Demonstration apparatus for the conversion between kinetic energy and potential energy | |
| CN104361822B (en) | A kind of multi-functional cam demonstration teaching aid | |
| CN106956538A (en) | Difunctional formula cam locus plotter | |
| CN102689552A (en) | Drawing tool for sine function | |
| CN104318823A (en) | Arcsine and arccosine function demonstrating and image drawing instrument | |
| CN205281825U (en) | Mechanical drawing three views is teaching aid for projection | |
| CN211592000U (en) | High-precision drawing instrument for mathematical modeling | |
| CN206185319U (en) | Big breadth concatenation formula laser instrument marking machine | |
| CN202051207U (en) | Projection teaching tool and multifunctional drawing table for teaching | |
| CN206124552U (en) | Advanced math teaching draws device with portable curve | |
| CN105059023A (en) | Log function demonstration and image drawing device | |
| CN203858812U (en) | Cutting tool teaching demonstration device | |
| CN206312453U (en) | A kind of Higher Mathematics Teaching cycloid demonstration teaching aid | |
| CN215643219U (en) | High-job simulation teaching device | |
| CN203787003U (en) | Demonstration teaching tool for form and location tolerance | |
| CN210337391U (en) | Advanced mathematics teaching draws device with portable curve | |
| CN214202847U (en) | Teaching aid based on mathematical modeling | |
| CN204166793U (en) | A kind of cam structure teaching tool | |
| CN202623702U (en) | Sine function drawing tool | |
| CN106652678A (en) | Teaching demonstration device based on vibration dynamics |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20230103 |